Remove residual blank line at start of MakefileThis is a residual of the $FreeBSD$ removal.MFC After: 3 days (though I'll just run the command on the branches)Sponsored by: Netflix
sys: Remove $FreeBSD$: one-line sh patternRemove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/
mac_pimd: Support for privilege drop in pimdCreate new kernel module for privilege check in casethe user wants to run pimd daemon.Sponsored by: StormshieldObtained from: Semihalf